An object of mass 20 kg is travelling at a constant speed of 6.0ms! It collides with an object of mass 12 kg travelling at a constant speed of 15 ms in the opposite
direction. The objects stick together.
What is the speed of the objects immediately after the collision?
А 1.9 ms -1
B 9.0 ms -1
C 9.4 ms
D 21ms-1

graph slopes whilst gas cools, then it is flat whilst conensation to liquid happens, the coolong liquid then graphs as a slope when it solidifies graph is flat

latent heat

the following is queen elizabeth’s purposes:

- to encourage the parliament that the technique of picking successors to the seat based merely on birthright needs to be reviewed.

- (not) to convince the parliament that her kid should not be measured as a likely choice for heir to the english power.

- to persuade the parliament that merely since she has a child does not assure that the kid will be a capable leader.

- to sway the parliament how shattering it could be if they proceeded discourteously concerning her or her child.